EP3816048A1 - Membranbefestigungsverfahren für flugzeugsitz - Google Patents

Membranbefestigungsverfahren für flugzeugsitz Download PDF

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Publication number
EP3816048A1
EP3816048A1 EP20204408.7A EP20204408A EP3816048A1 EP 3816048 A1 EP3816048 A1 EP 3816048A1 EP 20204408 A EP20204408 A EP 20204408A EP 3816048 A1 EP3816048 A1 EP 3816048A1
Authority
EP
European Patent Office
Prior art keywords
diaphragm
spreader
seating system
restrictive
seat back
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20204408.7A
Other languages
English (en)
French (fr)
Other versions
EP3816048B1 (de
Inventor
Bradford D'alessio
Ryan J. Suhre
Stephen A. Puglisi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BE Aerospace Inc
Original Assignee
BE Aerospace Inc
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Filing date
Publication date
Application filed by BE Aerospace Inc filed Critical BE Aerospace Inc
Publication of EP3816048A1 publication Critical patent/EP3816048A1/de
Application granted granted Critical
Publication of EP3816048B1 publication Critical patent/EP3816048B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0647—Seats characterised by special upholstery or cushioning features

Definitions

  • embodiments of the inventive concepts disclosed herein are directed to an aircraft seating system with spreaders having restricted channels to receive a portion of diaphragm wrapped around a cord to hold the diaphragm in place at each side.
  • the diaphragm includes a second or core layer of fabric within the diaphragm.
  • the second layer may increase the strength of the diaphragm, provide ventilation, and/or provide cushioning.
  • the spreaders include restricted channels to receive a diaphragm and cord for a seat back portion.
  • the seat back portion and seat bottom portion may be a single piece or separate pieces.
  • inventive concepts are not limited in their application to the details of construction and the arrangement of the components or steps or methodologies set forth in the following description or illustrated in the drawings.
  • inventive concepts disclosed herein may be practiced without these specific details.
  • well-known features may not be described in detail to avoid unnecessarily complicating the instant disclosure.
  • inventive concepts disclosed herein are capable of other embodiments or of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein is for the purpose of description and should not be regarded as limiting.
  • a letter following a reference numeral is intended to reference an embodiment of the feature or element that may be similar, but not necessarily identical, to a previously described element or feature bearing the same reference numeral (e.g., 1, 1a, 1b).
  • reference numeral e.g. 1, 1a, 1b
  • Such shorthand notations are used for purposes of convenience only, and should not be construed to limit the inventive concepts disclosed herein in any way unless expressly stated to the contrary.
  • any reference to "one embodiment,” or “some embodiments” means that a particular element, feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the inventive concepts disclosed herein.
  • the appearances of the phrase “in some embodiments” in various places in the specification are not necessarily all referring to the same embodiment, and embodiments of the inventive concepts disclosed may include one or more of the features expressly described or inherently present herein, or any combination of sub-combination of two or more such features, along with any other features which may not necessarily be expressly described or inherently present in the instant disclosure.
  • embodiments of the inventive concepts disclosed herein are directed to an aircraft seating system with spreaders having restricted channels to receive a portion of diaphragm wrapped around a cord to hold the diaphragm in place at each side.
  • the aircraft seat includes two spreaders 100 and a diaphragm 102 connected to each of the two spreaders 100 in restricted channels defined by the spreaders 100.
  • Each spreader may include at least two rail collars to engage at least two support rails 104 that are further supported by a set of main supports 106 connecting the support rails 104 to the floor of the aircraft.
  • Embodiments of the inventive concepts disclosed herein may allow for aircraft seats with fewer components inside the spreaders 100, resulting in a generally narrower spreader 100 that allows more width for passengers.
  • the spreader 100 has a diaphragm retaining portion 200 that defines one or more restrictive channels 204 with restrictive channel openings 202 in a front surface.
  • the restrictive channels 204 define a center line portion configured to receive a semi-rigid filler or cord element with diaphragm material wrapped around, and a lateral opening configured to allow overlapping layers of diaphragm material to pass through, but not the cord element.
  • the spreader 100 defines a plurality of rail collars 206, 208, each configured to engage a support rail.
  • the rail collars 206, 208 may be tightened to clamp down onto the corresponding support rails and hold the spreader 100 stationary.
  • a distal portion 210 of the restrictive channel 204 defines a maximum insertion feature, but is open to allow the cord element to be pulled through. Pulling the cord element through the restrictive channel 204 may facilitate inserting the diaphragm by allowing the user to grip the cord element firmly and pull the diaphragm through.
  • the restrictive channel 306 and restrictive channel opening 300 are defined by an upper restrictive surface 302 and a lower restrictive surface 304 to establish a "throat" or "pinch point."
  • the upper restrictive surface 302 and lower restrictive surface 304 also distribute the load of a person sitting on the corresponding diaphragm, and to distribute wear on the diaphragm evenly with respect to an upper diaphragm surface and a lower diaphragm surface.
  • the spreader may define a first restrictive channel 306 and a second restrictive channel 308 on opposite sides of the spreader.
  • Aircraft seating is often in rows; having aligned, opposing restrictive channels may reduce torsional stresses on the supporting rails and the spreader by offsetting loads between neighboring seats.
  • the aircraft seat comprises a plurality of spreaders 100 having restrictive channels 300, each defined by an upper restrictive surface 302 and a lower restrictive surface 304 to distribute the load of a person sitting on the corresponding diaphragm 400, 402, and to distribute wear on the diaphragm 400, 402 evenly with respect to an upper diaphragm surface 400 and a lower diaphragm surface 402.
  • the diaphragm 400, 402 is secured in one of the restrictive channels 300 via a cord element 404.
  • the combined core element 404 and diaphragm 400, 402 wrapped around the cord element 404 fits within the restrictive channel 300 but cannot pass through the space defined by the upper restrictive surface 302 and lower restrictive surface 304; however the combined upper diaphragm surface 400 and lower diaphragm surface 402 can fit through the space defined by the upper restrictive surface 302 and lower restrictive surface 304.
  • the cord element 404 may be integrated into the diaphragm 400, 402 at a point where the upper diaphragm surface 400 and the lower diaphragm surface 402 fold over (for example, sewn into the structure of the diaphragm 400, 402).
  • the cord element 408 may be a semi-rigid, cylindrical clamp to secure the upper diaphragm surface 400 and the lower diaphragm surface 402 together at an edge.
  • the cord element 404 comprises periodic extrusions configured to engage the fabric of the diaphragm 400, 402 such that pulling an extended portion of the cord element 404 through the restrictive channel 300 allows an installer to also pull the combined cord element 404 and diaphragm 400, 402 through.
  • the diaphragm 400, 402 includes an internal layer 406.
  • the internal layer 406 may comprise a layer of material similar to the upper diaphragm surface 400 and lower diaphragm surface 402.
  • the internal layer 406 may comprise a cushion.
  • the internal layer 406 may comprise a ventilation element to circulate air and cool the seat.
  • the aircraft seat includes at least two spreaders 500 and a seat back frame 502.
  • a diaphragm 504 is held securely within restrictive channels of two of the spreaders 500 to form a seat portion; the diaphragm 504 further extends out of a rear opening of the restrictive channels to be held within the seat back frame 502 to form a continuous seat surface.
  • the seat back frame 502 may also define restrictive channels to secure the diaphragm 504 and form a seat back portion of the continuous surface.
  • a continuous seat surface allows for more space inside of the structure of the seat back, which may be useful more optional seat back equipment (literature pockets, monitors, accessories), or more usable/living space for the passenger behind.
  • a diaphragm 504 having variable width allows for variable tension in different regions of the continuous surface; for example, the seat portion could be narrower and tighter to help suspend the passenger off of other structures (such as support rails) while the back portion could be wider and looser to increase comfort level.
  • the seat back frame 502 defines spreader connection elements 506 configured to engage corresponding seat back frame engaging elements 508 disposed on the corresponding spreader 500. In at least one embodiment, the seat back frame 502 is configured to pivot about the seat back frame engaging elements 508.
  • the aircraft seat includes at least two spreaders 600 and a seat back frame 602.
  • a diaphragm 604 is held securely within restrictive channels of two of the spreaders 600 to form a seat portion.
  • the seat back frame 602 separately defines a seat back portion 610 such as via a separate set of restrictive channels to secure a separate diaphragm; such separate diaphragm may include all of the features described herein.
  • the seat back portion 610 may be a rigid structure.
  • the seat back frame 602 defines spreader connection elements 606 configured to engage corresponding seat back frame engaging elements 608 disposed on the corresponding spreader 600. In at least one embodiment, the seat back frame 602 is configured to pivot about the seat back frame engaging elements 608.
  • This new attachment method allows for direct connection of the diaphragm to the structure without the need of an intermediary component and for uniform loading across the diaphragm.
  • This allows for a lower total part count, cost, and opportunities/locations for failure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Diaphragms And Bellows (AREA)
EP20204408.7A 2019-10-28 2020-10-28 Membranbefestigungsverfahren für flugzeugsitz Active EP3816048B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/665,534 US11203434B2 (en) 2019-10-28 2019-10-28 Diaphragm attachment method for aircraft seating

Publications (2)

Publication Number Publication Date
EP3816048A1 true EP3816048A1 (de) 2021-05-05
EP3816048B1 EP3816048B1 (de) 2022-10-26

Family

ID=73037816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20204408.7A Active EP3816048B1 (de) 2019-10-28 2020-10-28 Membranbefestigungsverfahren für flugzeugsitz

Country Status (2)

Country Link
US (1) US11203434B2 (de)
EP (1) EP3816048B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253240A1 (de) * 2022-03-29 2023-10-04 B/E Aerospace, Inc. Federloser sitzbezug und unteres schliesssystem für fahrgastsitz

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11623751B2 (en) * 2021-09-03 2023-04-11 Safran Seats Usa Llc Spreader with open slot for passenger seat
US11827363B2 (en) 2022-03-17 2023-11-28 B/E Aerospace, Inc. Composite seat bottom diaphragm
US11731766B1 (en) 2022-03-29 2023-08-22 B/E Aerospace, Inc. Wedged clamping device and method for aircraft seat frame

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553923A (en) * 1993-12-08 1996-09-10 Weber Aircraft, Inc. Base frame for an aircraft seat
US5762403A (en) * 1996-11-13 1998-06-09 Woodard, Inc. Sling type furniture product
GB2516481A (en) * 2013-07-24 2015-01-28 Graham Jordan Multi function collapsible trolley for transferring heavy loads across rough terrain which can also be used as a chair or camp bed or reclined lounger
EP2991898A1 (de) * 2013-04-04 2016-03-09 Franklin Products, Inc. Flugzeugsitzlehnenanordnung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495585A (en) 1976-05-18 1977-12-21 Vita Int Ltd Vehicle seating
US4848843A (en) * 1988-08-08 1989-07-18 Omni Products International, Inc. Multiple seat chair structure
US5735578A (en) 1995-03-27 1998-04-07 Burns Aerospace Corporation Quick replacement seat bottom diaphragm
US6254190B1 (en) * 1999-09-29 2001-07-03 Peter G. G. Gregory Chair having a seat with differential front and rear support portions
US6604792B1 (en) 2000-11-07 2003-08-12 Franklin Products, Inc. Seat assembly and apparatus for releasably retaining a diaphragm to be used as a seat
US6644738B2 (en) * 2001-11-21 2003-11-11 B E Aerospace, Inc. Aircraft passenger seat frame construction
ITTO20020097A1 (it) * 2002-02-01 2003-08-01 Petra Italia S A S Di Marina B Sedile per veicolo.
US7871039B2 (en) * 2007-05-22 2011-01-18 The Boeing Company Modular passenger seat for an aircraft
GB2548411B (en) * 2016-03-18 2019-12-25 Acro Aircraft Seating Ltd Seat back
EP3949807B1 (de) 2016-03-31 2023-09-06 Franklin Products, Inc. Methode um ein sitzmembran auf einem sitzrahmen zu installieren
US10766622B2 (en) * 2017-10-23 2020-09-08 Yaborã Indústria Aeronáutica S.A. Lightweight vehicle passenger seat assemblies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553923A (en) * 1993-12-08 1996-09-10 Weber Aircraft, Inc. Base frame for an aircraft seat
US5762403A (en) * 1996-11-13 1998-06-09 Woodard, Inc. Sling type furniture product
EP2991898A1 (de) * 2013-04-04 2016-03-09 Franklin Products, Inc. Flugzeugsitzlehnenanordnung
GB2516481A (en) * 2013-07-24 2015-01-28 Graham Jordan Multi function collapsible trolley for transferring heavy loads across rough terrain which can also be used as a chair or camp bed or reclined lounger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253240A1 (de) * 2022-03-29 2023-10-04 B/E Aerospace, Inc. Federloser sitzbezug und unteres schliesssystem für fahrgastsitz
US11845557B2 (en) 2022-03-29 2023-12-19 B/E Aerospace, Inc. Springless dress cover and lower closeout system for passenger seat

Also Published As

Publication number Publication date
US20210122474A1 (en) 2021-04-29
US11203434B2 (en) 2021-12-21
EP3816048B1 (de) 2022-10-26

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